Non Spin/HSFClub Certificate2026
AccelerandoFIN5591
Avomeripurjehtijat ry
c/o Helsingfors Segelklubb ry
Vattuniemen puistotie 1
00210 HELSINKI
Rated boat velocities in knots
Wind Velocity 4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Beat Angles45.2°42.1°40.2°38.2°37.7°37.5°37.8°38.1°39.3°
Beat VMG2.463.374.014.424.584.654.694.724.66
52°3.825.065.826.236.416.506.566.646.65
60°4.075.286.006.376.586.696.766.886.93
75°4.235.416.116.496.766.967.117.327.44
90°4.125.326.076.506.837.137.387.707.91
110°3.574.805.726.326.727.127.488.098.57
120°3.254.555.506.166.596.977.368.058.82
135°2.764.014.985.746.286.667.037.738.48
150°2.293.414.385.195.856.336.697.408.05
Run VMG1.982.953.814.575.275.876.327.007.65
Gybe Angles140.8°147.1°154.1°163.6°174.1°178.6°179.5°179.7°179.7°
APH ToD:628.2CDL: 7.124APH ToT: 0.9551CertNo:
BOAT
ClassStill 900DesignerEivind StillBuilderFinn YachtAge date01/1986Series date12/1985Offset fileL4646B.BOFData fileFIN5591
HULL
Length Overall9.010 mMaximum Beam3.132 mDraft1.765 mDisplacement2,508 kgDLR9.4171IMS DivisionPerformanceDynamic Allowance0.090%Age Allowance0.650%RS Assessment-0.331%
PROPELLER
InstallationShaft exposedTypeFeathering 2 bladesDiameter0.293m
CREW
Maximum weight450 kg(declared)Minimum weight320 kg ✱ when appliedCrew Arm Extension
SAIL AREAS (m²)
MeasuredRatedMainsail29.1529.81Headsail Luffed24.6224.62Headsail FlyingSymmetricAsymmetric
STORM SAIL AREAS Maximum (m²)
Trysail8.56Storm Jib5.41Heavy Weather Jib14.61
SAIL LIMITS
Headsails5
✱ Zero set flying
Spinnakers0
✱ Spinnaker pole aboard
STABILITY
Righting Moment 52.2 kg·m Stability Index 99.8
The owner and any other person in charge is responsible that boat is complying with her certificate in accordance with RRS 78.1 and ORC Rule 304.
ORC Ref  04140004P7B Issued on 08/05/2026 Valid until 31/12/2026
VPP ver: 2026 1.00 | © ORC | www.orc.org
Non Spin/HSFClub Certificate2026
AccelerandoFIN5591
Avomeripurjehtijat ry
c/o Helsingfors Segelklubb ry
Vattuniemen puistotie 1
00210 HELSINKI
Time Allowances in secs/NM
Wind Velocity 4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Beat VMG1466.41067.5896.8815.3786.4774.1767.4761.9772.3
52°943.2711.8618.7578.1561.2553.7548.8542.4541.1
60°885.4681.2600.4564.9547.5538.3532.4523.5519.8
75°850.6665.0589.2554.3532.9517.4506.3492.0483.7
90°873.0677.2593.1553.5527.3505.2487.9467.6455.1
110°1007.7750.4629.5569.5535.3505.8481.2444.8419.9
120°1107.2791.8654.9584.6546.5516.4489.0447.4408.1
135°1303.8897.8722.4627.1573.2540.5512.1465.9424.7
150°1573.81056.5821.4693.0615.6568.6538.3486.7447.2
Run VMG1817.31219.9945.0786.9682.5613.8569.8514.4470.3
Selected Courses
Windward / Leeward1641.81143.7920.9801.1734.4694.0668.6638.2621.3
All purpose1223.4878.4727.3649.7607.7581.2562.5536.2519.4
Single Number Scoring Options
Course Time On
Distance 		Time On
Time
Windward / Leeward767.40.7819
All purpose628.20.9551
Custom scoring options for Australia
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low802.90.7473
Triple Number Coastal/Long Distance Medium625.10.9599
Triple Number Coastal/Long Distance High557.31.0766
Triple Number Windward/Leeward Low1032.30.5812
Triple Number Windward/Leeward Medium762.10.7873
Triple Number Windward/Leeward High663.50.9043
Custom scoring options for Austria
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance683.40.8779
Triple Number Coastal/Long Distance Low802.90.7473
Triple Number Coastal/Long Distance Medium625.10.9599
Triple Number Coastal/Long Distance High557.31.0766
Triple Number Windward/Leeward Low1032.30.5812
Triple Number Windward/Leeward Medium762.10.7873
Triple Number Windward/Leeward High663.50.9043
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1659.41151.3870.2727.5647.4603.3568.7512.5492.0
Custom scoring options for Brazil
Scoring Option Time On
Time
Upwind "bolina"0.7156
Downwind "popa"0.7877
70% up, 30% down "Ilhabela"0.7358
30% up, 70% down "Ilhabela-inverso"0.7646
Custom scoring options for Bulgaria
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low802.90.7473
Triple Number Coastal/Long Distance Medium625.10.9599
Triple Number Coastal/Long Distance High557.31.0766
Triple Number Windward/Leeward Low1032.30.5812
Triple Number Windward/Leeward Medium762.10.7873
Triple Number Windward/Leeward High663.50.9043
Predominantly Upwind667.20.8993
Predominantly Downwind652.10.9201
Custom scoring options for Canada
Scoring OptionTODTOT Scoring OptionTODTOT Scoring OptionTODTOT Single Number AP652.60.9193 Predom. Rc High509.21.1784 5B SF Bay L/M840.20.7141 TriNum AP Low802.80.7473 Predom. Dn Low1018.80.5889 5B SF Bay Med724.70.8279 TriNum AP Med625.10.9598 Predom. Dn L/M745.10.8053 5B SF Bay M/H660.10.9090 TriNum AP High557.31.0766 Predom. Dn Med628.40.9548 5B SF Bay High630.40.9517 TriNum W/L Low1081.20.5549 Predom. Dn M/H555.21.0807 5B AP Low898.40.6678 TriNum W/L Med762.10.7873 Predom. Dn High515.21.1646 5B AP L/M704.50.8516 TriNum W/L Hig663.50.9043 ChiMac Up Low823.20.7288 5B AP Med616.40.9734 Predom. Upwind691.00.8683 ChiMac Up Med749.10.8009 5B AP M/H565.01.0619 Predom. Reaching626.20.9582 ChiMac Up High663.60.9042 5B AP High537.81.1156 Predom. Downwind683.40.8780 ChiMac Off Low870.90.6890 5B W/L Low1212.50.4948 Predom. Up Low928.50.6462 ChiMac Off Med764.30.7850 5B W/L L/M883.90.6788 Predom. Up L/M722.60.8303 ChiMac Off High638.90.9392 5B W/L Med748.70.8013 Predom. Up Med647.40.9268 ChiMac AP Low841.20.7133 5B W/L M/H673.30.8912 Predom. Up M/H609.40.9846 ChiMac AP Med752.40.7974 5B W/L High640.50.9368 Predom. Up High592.41.0128 ChiMac AP High648.30.9255 W/L 60-40 Low1194.90.5021 Predom. Rc Low863.80.6946 BayMac Cove Island968.30.6196 W/L 60-40 L/M882.50.6799 Predom. Rc L/M666.20.9007 BayMac Shore956.90.6270 W/L 60-40 Med758.30.7912 Predom. Rc Med586.81.0226 Harvest Moon555.41.0803 W/L 60-40 M/H692.50.8665 Predom. Rc M/H537.11.1170 5B SF Bay Low1014.30.5916 W/L 60-40 High665.30.9018      SA/DSPL Up29.04SA/DSPL Dn29.04
Custom scoring options for Cyprus
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance683.40.8779
Triple Number Coastal/Long Distance Low802.90.7473
Triple Number Coastal/Long Distance Medium625.10.9599
Triple Number Coastal/Long Distance High557.31.0766
Triple Number Windward/Leeward Low1032.30.5812
Triple Number Windward/Leeward Medium762.10.7873
Triple Number Windward/Leeward High663.50.9043
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1659.41151.3870.2727.5647.4603.3568.7512.5492.0
Custom scoring options for Denmark
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance683.40.8779
Triple Number Coastal/Long Distance Low802.90.7473
Triple Number Coastal/Long Distance Medium625.10.9599
Triple Number Coastal/Long Distance High557.31.0766
Triple Number Windward/Leeward Low1032.30.5812
Triple Number Windward/Leeward Medium762.10.7873
Triple Number Windward/Leeward High663.50.9043
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1659.41151.3870.2727.5647.4603.3568.7512.5492.0
Custom scoring options for Spain
Scoring Option Time On
Distance
Coastal/Long Distance683.4
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1659.41151.3870.2727.5647.4603.3568.7512.5492.0
Custom scoring options for Estonia
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low802.90.7473
Triple Number Coastal/Long Distance Medium625.10.9599
Triple Number Coastal/Long Distance High557.31.0766
Triple Number Windward/Leeward Low1032.30.5812
Triple Number Windward/Leeward Medium762.10.7873
Triple Number Windward/Leeward High663.50.9043
Custom scoring options for Finland
Scoring Option Time On
Distance 		Time On
Time
FinRating683.40.8779
FinRating, kevyt tuuli1196.60.8357
FinRating, kova tuuli541.00.9242
Custom scoring options for France
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low802.90.7473
Triple Number Coastal/Long Distance Medium625.10.9599
Triple Number Coastal/Long Distance High557.31.0766
Triple Number Windward/Leeward Low1032.30.5812
Triple Number Windward/Leeward Medium762.10.7873
Triple Number Windward/Leeward High663.50.9043
Custom scoring options for Germany
Scoring Option Time On
Time
Coastal/Long Distance0.8779
Triple Number Coastal/Long Distance Low0.7473
Triple Number Coastal/Long Distance Medium0.9599
Triple Number Coastal/Long Distance High1.0766
Triple Number Windward/Leeward Low0.5812
Triple Number Windward/Leeward Medium0.7873
Triple Number Windward/Leeward High0.9043
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1659.41151.3870.2727.5647.4603.3568.7512.5492.0
For information
General Purpose Handicap (GPH)704.0
Custom scoring options for Greece
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance683.40.8779
Triple Number Coastal/Long Distance Low802.90.7473
Triple Number Coastal/Long Distance Medium625.10.9599
Triple Number Coastal/Long Distance High557.31.0766
Triple Number Windward/Leeward Low1032.30.5812
Triple Number Windward/Leeward Medium762.10.7873
Triple Number Windward/Leeward High663.50.9043
Saronikos S All Purpose698.40.8591
Saronikos S Upwind760.40.7890
Saronikos S Downwind634.50.9457
Saronikos N All Purpose740.70.8101
Saronikos N Upwind790.70.7588
Saronikos N Downwind701.80.8550
Saronikos SW All Purpose705.30.8507
Saronikos SW Upwind775.40.7738
Saronikos SW Downwind649.30.9240
Saronikos NE All Purpose773.50.7757
Saronikos NE Upwind743.00.8075
Saronikos NE Downwind792.70.7569
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1659.41151.3870.2727.5647.4603.3568.7512.5492.0
Custom scoring options for Hungary
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low802.90.7473
Triple Number Coastal/Long Distance Medium625.10.9599
Triple Number Coastal/Long Distance High557.31.0766
Triple Number Windward/Leeward Low1032.30.5812
Triple Number Windward/Leeward Medium762.10.7873
Triple Number Windward/Leeward High663.50.9043
Custom scoring options for Ireland
Scoring OptionTODTOT
Single Number All-Purpose652.60.9193
5-Band All Purpose Low966.40.6209
5-Band All Purpose L/M730.40.8215
5-Band All Purpose Med635.60.9439
5-Band All Purpose M/H580.21.0341
5-Band All Purpose High552.01.0870
Single Number Predominant Upwind664.90.9024
Single Number Predominant Reaching603.80.9937
Single Number Predominant Downwind653.70.9178
5-Band 50-50 Windward/Leeward Low1212.50.4948
5-Band 50-50 Windward/Leeward L/M883.90.6788
5-Band 50-50 Windward/Leeward Med748.70.8013
5-Band 50-50 Windward/Leeward M/H673.30.8912
5-Band 50-50 Windward/Leeward High640.50.9368
5-Band 60-40 Windward/Leeward Low1194.90.5021
5-Band 60-40 Windward/Leeward L/M882.50.6799
5-Band 60-40 Windward/Leeward Med758.30.7912
5-Band 60-40 Windward/Leeward M/H692.50.8665
5-Band 60-40 Windward/Leeward High665.30.9018
Triple Number 50-50 Windward/Leeward Low1081.20.5549
Triple Number 50-50 Windward/Leeward Med762.20.7872
Triple Number 50-50 Windward/Leeward High663.50.9043
Scoring OptionTODTOT
Single Number 60-40 Windward/Leeward776.20.7730
Triple Number 60-40 Windward/Leeward Low1069.50.5610
Triple Number 60-40 Windward/Leeward Med770.20.7790
Triple Number 60-40 Windward/Leeward High684.20.8769
Triple Number All-Purpose Low871.30.6886
Triple Number All-Purpose Med645.10.9300
Triple Number All-Purpose High572.21.0485
Triple Number Predominant Upwind Low855.00.7018
Triple Number Predominant Upwind Med657.20.9130
Triple Number Predominant Upwind High608.90.9855
Triple Number Predominant Reaching Low787.80.7616
Triple Number Predominant Reaching Med603.60.9940
Triple Number Predominant Reaching High520.31.1532
Triple Number Predominant Downwind Low906.00.6622
Triple Number Predominant Downwind Med643.20.9329
Triple Number Predominant Downwind High535.71.1201
Custom scoring options for Israel
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance683.40.8779
Triple Number Coastal/Long Distance Low802.90.7473
Triple Number Coastal/Long Distance Medium625.10.9599
Triple Number Coastal/Long Distance High557.31.0766
Triple Number Windward/Leeward Low1032.30.5812
Triple Number Windward/Leeward Medium762.10.7873
Triple Number Windward/Leeward High663.50.9043
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1659.41151.3870.2727.5647.4603.3568.7512.5492.0
Custom scoring options for Japan
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance683.40.8779
Triple Number Coastal/Long Distance Low802.90.7473
Triple Number Coastal/Long Distance Medium625.10.9599
Triple Number Coastal/Long Distance High557.31.0766
Triple Number Windward/Leeward Low1032.30.5812
Triple Number Windward/Leeward Medium762.10.7873
Triple Number Windward/Leeward High663.50.9043
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1659.41151.3870.2727.5647.4603.3568.7512.5492.0
Custom scoring options for Korea
Scoring Option Time On
Distance
Triple Number Coastal/Long Distance Low802.9
Triple Number Coastal/Long Distance Medium625.1
Triple Number Coastal/Long Distance High557.3
Triple Number Windward/Leeward Low1032.3
Triple Number Windward/Leeward Medium762.1
Triple Number Windward/Leeward High663.5
Predominantly Upwind667.2
Predominantly Downwind652.1
Predominantly Reaching618.3
Custom scoring options for Lithuania
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance683.40.8779
Triple Number Coastal/Long Distance Low802.90.7473
Triple Number Coastal/Long Distance Medium625.10.9599
Triple Number Coastal/Long Distance High557.31.0766
Triple Number Windward/Leeward Low1032.30.5812
Triple Number Windward/Leeward Medium762.10.7873
Triple Number Windward/Leeward High663.50.9043
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1659.41151.3870.2727.5647.4603.3568.7512.5492.0
Custom scoring options for Netherlands
Scoring Option Time On
Time
Triple Number Coastal/Long Distance Low0.7473
Triple Number Coastal/Long Distance Medium0.9599
Triple Number Coastal/Long Distance High1.0766
Triple Number Windward/Leeward Low0.5812
Triple Number Windward/Leeward Medium0.7873
Triple Number Windward/Leeward High0.9043
Coastal/Long Distance0.8779
Predominantly Upwind0.8993
Predominantly Downwind0.9201
For information
General Purpose Handicap (GPH)704.0
Custom scoring options for Norway
Scoring Option Time On
Time
Distanseseilas Singeltall  (APH)0.9551
Distanseseilas Trippeltall svak vind0.7473
Distanseseilas Trippeltall mellomvind0.9599
Distanseseilas Trippeltall sterk vind1.0766
Pølsebane Trippeltall svak vind0.5812
Pølsebane Trippeltall mellomvind0.7873
Pølsebane Trippeltall sterk vind0.9043
Motvind Singeltall0.8993
Medvind Singeltall0.9201
Custom scoring options for Portugal
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low802.90.7473
Triple Number Coastal/Long Distance Medium625.10.9599
Triple Number Coastal/Long Distance High557.31.0766
Triple Number Windward/Leeward Low1032.30.5812
Triple Number Windward/Leeward Medium762.10.7873
Triple Number Windward/Leeward High663.50.9043
Coastal/Long Distance683.40.8779
Custom scoring options for Russia
Scoring Option Time On
Distance 		Time On
Time
Predominantly Upwind667.20.8993
Predominantly Downwind652.10.9201
Custom scoring options for South Africa
Scoring Option Time On
Distance 		Time On
Time
Cape Doctor Inshore626.30.9579
Cape Doctor Coastal524.41.1441
Triple Number Coastal/Long Distance Low802.90.7473
Triple Number Coastal/Long Distance Medium625.10.9599
Triple Number Coastal/Long Distance High557.31.0766
Triple Number Windward/Leeward Low1032.30.5812
Triple Number Windward/Leeward Medium762.10.7873
Triple Number Windward/Leeward High663.50.9043
Custom scoring options for Slovenia
Scoring Option Time On
Time
Triple Number Coastal/Long Distance Low0.7473
Triple Number Coastal/Long Distance Medium0.9599
Triple Number Coastal/Long Distance High1.0766
Triple Number Windward/Leeward Low0.5812
Triple Number Windward/Leeward Medium0.7873
Triple Number Windward/Leeward High0.9043
Custom scoring options for Switzerland
Scoring Option Time On
Time
Triple Number Coastal/Long Distance Low0.7473
Triple Number Coastal/Long Distance Medium0.9599
Triple Number Coastal/Long Distance High1.0766
Triple Number Windward/Leeward Low0.5812
Triple Number Windward/Leeward Medium0.7873
Triple Number Windward/Leeward High0.9043
Custom scoring options for Sweden
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance683.40.8779
Triple Number Coastal/Long Distance Low802.90.7473
Triple Number Coastal/Long Distance Medium625.10.9599
Triple Number Coastal/Long Distance High557.31.0766
Triple Number Windward/Leeward Low1032.30.5812
Triple Number Windward/Leeward Medium762.10.7873
Triple Number Windward/Leeward High663.50.9043
Predominantly Upwind667.20.8993
Predominantly Downwind652.10.9201
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1659.41151.3870.2727.5647.4603.3568.7512.5492.0
Custom scoring options for Ukraine
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance683.40.8779
Triple Number Coastal/Long Distance Low802.90.7473
Triple Number Coastal/Long Distance Medium625.10.9599
Triple Number Coastal/Long Distance High557.31.0766
Triple Number Windward/Leeward Low1032.30.5812
Triple Number Windward/Leeward Medium762.10.7873
Triple Number Windward/Leeward High663.50.9043
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1659.41151.3870.2727.5647.4603.3568.7512.5492.0
Custom scoring options for United States of America
Scoring OptionTODTOT Scoring OptionTODTOT Scoring OptionTODTOT Single Number AP652.60.9193 Predom. Dn High515.21.1646 5B AP M/H565.01.0619 TriNum AP Low802.80.7473 Predom. Rc Low863.80.6946 5B AP High537.81.1156 TriNum AP Med625.10.9598 Predom. Rc L/M666.20.9007 5B SF Bay Low1014.30.5916 TriNum AP High557.31.0766 Predom. Rc Med586.81.0226 5B SF Bay L/M840.20.7141 TriNum W/L Low1081.20.5549 Predom. Rc M/H537.11.1170 5B SF Bay Med724.70.8279 TriNum W/L Med762.10.7873 Predom. Rc High509.21.1784 5B SF Bay M/H660.10.9090 TriNum W/L Hig663.50.9043 5B W/L Low1212.50.4948 5B SF Bay High630.40.9517 Predom. Upwind691.00.8683 5B W/L L/M883.90.6788 ChiMac Up Low823.20.7288 Predom. Reaching626.20.9582 5B W/L Med748.70.8013 ChiMac Up Med749.10.8009 Predom. Downwind683.40.8780 5B W/L M/H673.30.8912 ChiMac Up High663.60.9042 Predom. Up Low928.50.6462 5B W/L High640.50.9368 ChiMac Off Low870.90.6890 Predom. Up L/M722.60.8303 W/L 60-40 Low1194.90.5021 ChiMac Off Med764.30.7850 Predom. Up Med647.40.9268 W/L 60-40 L/M882.50.6799 ChiMac Off High638.90.9392 Predom. Up M/H609.40.9846 W/L 60-40 Med758.30.7912 ChiMac AP Low841.20.7133 Predom. Up High592.41.0128 W/L 60-40 M/H692.50.8665 ChiMac AP Med752.40.7974 Predom. Dn Low1018.80.5889 W/L 60-40 High665.30.9018 ChiMac AP High648.30.9255 Predom. Dn L/M745.10.8053 5B AP Low898.40.6678 BayMac Cove Island968.30.6196 Predom. Dn Med628.40.9548 5B AP L/M704.50.8516 BayMac Shore956.90.6270 Predom. Dn M/H555.21.0807 5B AP Med616.40.9734 Harvest Moon555.41.0803      SA/DSPL Up29.04SA/DSPL Dn29.04
ORC Ref  04140004P7B Issued on 08/05/2026 Valid until 31/12/2026
VPP ver: 2026 1.00 | © ORC | www.orc.org
Non Spin/HSFClub Certificate2026
AccelerandoFIN5591
Avomeripurjehtijat ry
c/o Helsingfors Segelklubb ry
Vattuniemen puistotie 1
00210 HELSINKI
Data in meters/kilograms (Metric)
HULL AND APPENDAGES (Lightship Trim)
ClassStill 900MeasurementHINPlan reviewHull constructionCoredCarbon rudderNoLight stanchionsNoTrim tabNo
Length overall9.010Maximum beam3.132Draft1.765Displacement2,508Wetted area14.80IMS L7.036LSM06.433Accomod. length8.909Sink (kg/mm) 11.24
VCGD-0.037VCGM0.044 RM Rated (kg·m) 52.2Limit of positive stability(°) 106.6 Stability Index 99.8 BLR index 0.0000Default crew weight367 Declared crew weight 450
Centerboard weightList angleCanting keel angle
PROPELLER
Propeller TypeFeathering 2 blades
InstallationShaft exposedTwin screwNoHydro generatorNo
PRD0.293PBW0.075PIPA0.0070
PSD0.025PHD6.000PHL0.200
PSA16.0°ESL0.800
ST10.024ST20.080ST30.115
ST40.045ST50.220
RIG
BackstayAdjustableForestayFixedInner forestayNot installedMast materialAluminumSingle headsail furlerNoMainsail furlerNoArticulated bowspritNoNon-circular riggingNoFiber riggingNoBase of mastFixedRunning backstaysYesCheckstaysYesSpreaders2Rotating mastNo
P11.500IG10.400ISP10.400MDT10.090MDL10.125MDT20.080MDL20.086TL1.900MW0.125GO0.125
E4.250J3.095BAS1.410FSD0.031SFJ0.000SPL3.100WPLTPS0.000BD0.140MWT69.70MCG4.038
PYMDT1YMDL1YMDT2YMDL2YTLYBASYEYBDYIYEB
Flying Headsail Foretriangles IdISPTPS
FLOTATION AND STABILITY
Calculation methodRM estimatedFlotation Date30/01/2020
SFFP0.490FFM0.913FF0.919LCFcl4.511SG1.0050
SAFP7.884FAM0.785FA0.788LCFsh4.770HBI0.788
INVENTORY
Fixed Ballast Total0
Total deductible
Total deductible
ORC Ref  04140004P7B Issued on 08/05/2026 Valid until 31/12/2026
VPP ver: 2026 1.00 | © ORC | www.orc.org
Non Spin/HSFClub Certificate2026
AccelerandoFIN5591
Avomeripurjehtijat ry
c/o Helsingfors Segelklubb ry
Vattuniemen puistotie 1
00210 HELSINKI
MAINSAIL
IdMHBMUWMTWMHWMQWAreaMeas.DateComment260.180.881.602.743.5929.1523/04/2026
HEADSAIL
IdHHBHUWHTWHHWHQWHLPHLUBtnFlyingFTAreaMeas.DateComment24.6510.40NoNo 24.6212/03/2023
NON MANUAL POWER CONTROLS (NMP)
SheetsNoMainsail cunninghamNoJib trackNoSpinnaker retrieverNoBoomvangNoHeadsail cunninghamNoTack lineNoOuthaulNoMain travellerNoHalyardsNo
ORC Ref  04140004P7B Issued on 08/05/2026 Valid until 31/12/2026
VPP ver: 2026 1.00 | © ORC | www.orc.org